A ladder lies against a wall. The top of the ladder reaches 8 ft. above the ground. When the ladder slips two metres away from the wall, the top of the ladder touches the foot of the wall. The length of the ladder is
Correct Answer : B
There is a rectangular field of length 60 m and width 20 m. A path of uniform width and area 516 sq m surrounds the field. Find the width of path
P, Q and S are moving on a circular stadium of circumference 2100 m. When P completes one round, Q is still 700 m behind. When S completes one round, Q is 300 m ahead of him. How far from the starting point three of them will meet for the first time?
The areas of the three adjacent faces of a rectangular box which meet in a point are known. The product of these areas is equal to